Home / 1,263.24-1,740.16-1,076.12

Finding the Fourth Proportional to 1,263.24, 1,740.16 and 1,076.12

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Solution

The fourth proportional to 1,263.24, 1,740.16 and 1,076.12 is: 1,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.24 : 1,740.16 = 1,076.12 : x
  2. Step 2: Convert to fraction form
    1,263.24/1,740.16 = 1,076.12/x
  3. Step 3: Cross multiply
    1,263.24x = 1,740.16 × 1,076.12
  4. Step 4: Simplify right side
    1,263.24x = 1,872,620.98
  5. Step 5: Solve for x
    x = 1,872,620.98/1,263.24
  6. Step 6: Final answer
    x = 1,482.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.